EXPLANATION OF THE PLATES. 743 



SARCOSCYPHTJS. — Plant; portion of the same with stem, involucral leaves, and base of 

 the pedicel ; involucral leaves and perianth opened so as to show the calyptra and 

 lower part of pedicel ; capsule with its 4 valves ; an elater and two sporules, of 3. 

 Ehrharti, Corda : after Hooker. 



Tab. VIII. 



SCAPANIA. — Plant , perianth, enclosing the calyptra and part of the pedicel, furnished at 

 the base with involucral leaves ; part of the stem with three leaves ; two antheridia ; 

 capsule open ; an elater and two spores, of S. undulata, N. If M.: after Hooker. 



• PLAGIOCHILA. — Plant; portion of the stem with five leaves; perianth, enclosing the 



calyptra and part of the pedicel ; piece of stem with an amphigastrium and radicles ; 

 two antheridia ; capsule ; two spores and two elaters, of P. macrostoma, Sulliv. 

 SPHAGNCECETIS. — Plant ; portion of the stem with four or five pairs of leaves, and a 

 short branch clothed with involucral leaves and bearing the perianth ; an involucral 

 leaf; the attenuated extremity of a branch, bearing gemma? at the apex ; four gem- 

 ma; ; capsule ; three spores and two elaters, of S. communis, Nees : after Hooker. 



• LEJEUNIA. — Plant ; perianth, with capsule and involucral leaves ; portion of the pedicel ; 



portion of stem with a pair of leaves, an amphigastrium and a male branch ; an anthe- 

 ridium ; a portion of the stem, with two pairs of leaves seen from above ; the same 

 with two amphigastria viewed from below ; cross-section of the perianth ; two elaters, 

 and two spores, of L. clypeata, Schweinitz. 



• FRULLANIA. — riant ; portion of the stem, with two pairs of leaves seen from above ; the 



same, with the amphigastria and auriculae, viewed from beneath ; perianth and in- 

 volucral leaves ; cross-section of the perianth ; an involucral leaf ; capsule ; two elatera 

 and two spores, of F. Grayana, Mont 



m MADOTHECA. — Plant ; portion of the stem, with a pair of leaves and an amphigastrium, 

 seen from beneath ; portion of the male plant, with four spikelets of perigonial leaves, 

 containing antheridia: a 2-lobed perigonial leaf with its an theridium ; an antheridi- 

 um ; perianth, with involucral leaves and capsule : an elater and two spores, of M. 

 platyphylla, Dumort. 



• RADULA. — Plant; a branch terminated by the perianth and capsule, with lateral male 



branchlets ; a male branchlet ; an antheridium ; a perianth with two involucral 

 leaves ; portion of the stem with two pairs of leaves, seen from above ; the same from 

 below ; a capsule ; an elater and two spores, of R. obconica, Sulliv. 



PTTLIDIUM. — Plant ; portion of the stem with a pair of leaves ; same with an amphigas- 

 trium ; perianth with its involucral leaves ; a capsule ; an elater and two spores, of 

 P. ciliare, Nees : after Hooker. 



MASTIGOBRYDM. — Plant ; portion of the stem with two pairs of leaves, two amphigastria, 

 and a male spikelet ; portion of a spikelet with its perigonial leaf; an antheridium ; 

 capsule ; four spores and two elaters, of M trilobatum, Nees : after Hooker, partly. 



TRICHOCOLEA — Plant; leaf, amphigastrium, and piece of the stem ; the fleshy involucre ; 

 a capsule ; two spores and an elater, of T. Tomuntella, Nees : after Hooker. 



SENDTNERA. — Plant; portion of stem with leaves and amphigastria ; tubular many-cleft 

 perianth ; capsules ; an elater and three spores of S. juniperina, Nees : after Hooker. 



LEPIDOZIA. — Plant ; portion of stem with three leaves and two amphigastria ; a perigonial 

 leaf enclosing an antheridium ; an antheridium free ; perianth with involucral leaves ; 

 capsule ; four spores and an elater, of L. reptans, Nees : after Hooker. 



CALTPOGEIA. — Plants ; portion of stem with three leaves and two rooting amphigastria ; 

 hairy involucre with the lower part of the pedicel ; the same cut vertically, showing 

 the calyptra ; capsule with its spiral valves ; an elater and two spores, of C. Tricho- 

 manis, Corda : after Hooker 



